9 20 21 Questions 19-22 are related to the following 22 Your company self-insures its fleet of cars against collisions. You need to estimate the mean repair costs per accident so 23 that you can set aside enough money to cover these costs. The data for repair cost for a random sample of accidents is 24 shown below. 25 26 27 28 29 30 31 32 d $104,905 34 a 35 b 36 с d 78 37 33 19 The point estimate of the mean repair cost is, $2,274 $2,179 $2,087 $1,999 242 C 243 d 244 245 21 246 a 1320 2125 Ready 2305 1655 1540 1485 $484.52 $464.10 $444.54 $425.80 238 239 20 The standard deviation of the sample data is, 240 a 241 b 1370 2185 2950 2025 2005 2305 2155 1970 2050 2020 1990 1590 E270 HW5 LWP WEED Accessibility: Investigate Type here to search 1965 1075 2095 1830 2650 2690 2595 1950 965 1990 2285 1860 The margin of error for an interval estimate with a 95% level of confidence is, $129.08 2345 1920 1455 2170 O E 1840 2135 1870 1305 2645 2370 1940 1720 2760 2320 2790 2055 1670 1640 L Ⓡ
9 20 21 Questions 19-22 are related to the following 22 Your company self-insures its fleet of cars against collisions. You need to estimate the mean repair costs per accident so 23 that you can set aside enough money to cover these costs. The data for repair cost for a random sample of accidents is 24 shown below. 25 26 27 28 29 30 31 32 d $104,905 34 a 35 b 36 с d 78 37 33 19 The point estimate of the mean repair cost is, $2,274 $2,179 $2,087 $1,999 242 C 243 d 244 245 21 246 a 1320 2125 Ready 2305 1655 1540 1485 $484.52 $464.10 $444.54 $425.80 238 239 20 The standard deviation of the sample data is, 240 a 241 b 1370 2185 2950 2025 2005 2305 2155 1970 2050 2020 1990 1590 E270 HW5 LWP WEED Accessibility: Investigate Type here to search 1965 1075 2095 1830 2650 2690 2595 1950 965 1990 2285 1860 The margin of error for an interval estimate with a 95% level of confidence is, $129.08 2345 1920 1455 2170 O E 1840 2135 1870 1305 2645 2370 1940 1720 2760 2320 2790 2055 1670 1640 L Ⓡ
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 8PPS
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